3856820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 9047808

約数和(自身を除く): 5190988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 373, 470, 517, 746, 940, 1034, 1492, 1865, 2068, 2585, 3730, 4103, 5170, 7460, 8206, 10340, 16412, 17531, 20515, 35062, 41030, 70124, 82060, 87655, 175310, 192841, 350620, 385682, 771364, 964205, 1928410, 3856820]

約数ペア:

[(1, 3856820), (2, 1928410), (4, 964205), (5, 771364), (10, 385682), (11, 350620), (20, 192841), (22, 175310), (44, 87655), (47, 82060), (55, 70124), (94, 41030), (110, 35062), (188, 20515), (220, 17531), (235, 16412), (373, 10340), (470, 8206), (517, 7460), (746, 5170), (940, 4103), (1034, 3730), (1492, 2585), (1865, 2068)]